Citadel: A Real Estate Business and Property Purchase Fraud Detection Assistant Smartphone Application Using Flutter and Firebase Platform

Real estate industry of a country dispatches a extraordinary role by offering opportunities for property development, home ownership, rental, and employment facilities. The current real estate sector assistant works did not investigate an assistance mobile or web application with property purchase eligibility checking, different criteria-based land/flat purchase and developer search features, real estate fraud detection, police help seeking, economic help assistance, roommate search for flat rent, attorney search, property winner contact, real estate help tips, property advertisement submission, and real estate job application features. To gain mastery over the existing shortcomings, this article dispatches a real estate business assistant assistance smart phone application with property purchase eligibility check feature, real estate fraud prediction, property item search and booking, fraud reporting feature, economic help, real estate job application, developer search, roommate search for flat rent, consumer instant help, owner contact, attorney booking, advertisement posting, and property purchase tips features. The proposed real estate assistant application received prodigious feedback from over $\mathbf{6 0 \%}$ of evaluators, indicating its feasibility and usefulness.